Makefiles: implement a symlink-alias macro.

diff --git a/build/Maketop b/build/Maketop
index cf93e1bfa277322b3e6b017e74891e498d401d86..99f7f1dc8acfa5f0ec95a537fddee807746c5464 100644 (file)
--- a/build/Maketop
+++ b/build/Maketop
@@ -80,3 +80,4 @@ space:=$(empty) $(empty)
 backref=$(subst $(space),/,$(patsubst %,..,$(subst /,$(space),$(1))))
 tack-on=$(if $(patsubst /%,,$(2)),$(1)/$(2),$(2))
 symlink=ln -sf $(call tack-on,$(call backref,$(2)),$(1)) $(2)/
+symlink-alias=ln -sf $(call tack-on,$(call backref,$(2)),$(1)) $(2)/$(3)